Gurobi 5.0.1 (linux64) logging started Sun Nov 18 05:22:33 2012 Optimize a model with 1 rows, 134 columns and 134 nonzeros Model has 106 quadratic objective terms Presolve removed 0 rows and 20 columns Presolve time: 0.00s Presolved: 107 rows, 220 columns, 432 nonzeros Variable types: 0 continuous, 220 integer (219 binary) Found heuristic solution: objective 26.0000000 Root relaxation: objective 0.000000e+00, 143 iterations, 0.00 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 0.00000 0 8 26.00000 0.00000 100% - 0s H 0 0 8.0000000 0.00000 100% - 0s 0 0 0.00000 0 11 8.00000 0.00000 100% - 0s H 0 0 7.0000000 0.00000 100% - 0s 0 0 0.00000 0 10 7.00000 0.00000 100% - 0s 0 0 0.00000 0 11 7.00000 0.00000 100% - 0s 0 0 0.00000 0 11 7.00000 0.00000 100% - 0s 0 2 0.00000 0 11 7.00000 0.00000 100% - 0s H 5 5 5.0000000 0.00000 100% 6.4 0s H 19 19 4.0000000 0.00000 100% 2.6 0s * 160 37 14 3.0000000 0.00000 100% 3.4 0s * 182 23 25 2.0000000 0.00000 100% 3.5 0s * 321 17 30 1.0000000 0.00000 100% 5.4 0s Cutting planes: Cover: 122 Explored 322 nodes (1959 simplex iterations) in 0.06 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 1.000000000000e+00, best bound 1.000000000000e+00, gap 0.0%